Summary statistics for d_1_c2_23 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_1_c2_23 | 3,487 63457.91 131746.9 -24953 2549559 by Jean Roth , jroth@nber.org , 17 Feb 2018